diff --git a/pkgs/development/python-modules/pydantic-graph/default.nix b/pkgs/development/python-modules/pydantic-graph/default.nix
index 10e216cb3bf0..82ccbaf2a39c 100644
--- a/pkgs/development/python-modules/pydantic-graph/default.nix
+++ b/pkgs/development/python-modules/pydantic-graph/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pydantic-graph";
-  version = "1.87.0";
+  version = "1.88.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "pydantic-ai";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-Q5h+7XZ3SU1B9/kY2qBYraYrWFX3vcDFwQLld2oeQaA=";
+    hash = "sha256-2DyPJNbGFkbgYd2qLqhlTkmsgpLcTkkq3+7JKMocnBk=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/pydantic_graph";